3126165140 has 96 divisors (see below), whose sum is σ = 7633248000. Its totient is φ = 1053305856.

The previous prime is 3126165137. The next prime is 3126165143. The reversal of 3126165140 is 415616213.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (3126165137) and next prime (3126165143).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3126165143) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5099474 + ... + 5100086.

It is an arithmetic number, because the mean of its divisors is an integer number (79513000).

Almost surely, 2^3126165140 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3126165140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3816624000).

3126165140 is an abundant number, since it is smaller than the sum of its proper divisors (4507082860).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3126165140 is a wasteful number, since it uses less digits than its factorization.

3126165140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1201 (or 1199 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 3126165140 is about 55912.1197952644. The cubic root of 3126165140 is about 1462.1905473305.

The spelling of 3126165140 in words is "three billion, one hundred twenty-six million, one hundred sixty-five thousand, one hundred forty".